Bitter ginseng allergy may cause dizziness, nausea, some people may have maculopapular rash on the skin, etc. Allergy symptoms may be different for each person with different physical conditions. Dizziness and nausea are common symptoms of ginseng allergy, and ginseng has antiseptic effect, most of them are made into topical preparations, allergic to ginseng skin may appear maculopapular rash, or itchy skin. If there is a serious adverse reaction after taking bitter ginseng or the patient feels very uncomfortable, the drug should be stopped immediately and go to the hospital in time. If allergic reaction occurs, the patient should be examined to determine the cause of allergy. If it is caused by bitter ginseng, the drug should be stopped and replaced by other drugs under the guidance of the doctor.